About

For more information about the first version of the system, see the events Doorhacking and Doorhack2.7
Since the first system was unstable and damaging to the remote, a complete redesign was called, with special attention to robustness and proper stable operation.

System architecture

All hardware will be divided in two cases:

An old Lantronix Lantronix terminal server 1U mounted in the hackerspace rack

A plastic IP65 junction box to be placed in front of the gate

The exception to this division is the USB GSM modem, which will be placed outside the hackerspace rack for reception reasons.

A cat5 UTP cable will connect both boxes.

Hardware

Lantronix case

Power supply

The original Lantronix PS can be reused.
It gives the following outputs on a 6-pin molex: